Vibrating Rod Level Sensors - Revision history

https://www.solidswiki.com/index.php?action=history&feed=atom&title=Vibrating_Rod_Level_Sensors Vibrating Rod Level Sensors - Revision history 2026-10-21T04:42:30Z Revision history for this page on the wiki MediaWiki 1.37.1 https://www.solidswiki.com/index.php?title=Vibrating_Rod_Level_Sensors&diff=15098&oldid=prev Kodiyath at 04:44, 11 February 2013 2013-02-11T04:44:16Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:44, 10 February 2013</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Detectors, Sensors]]{{Knoppen}} </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Detectors, Sensors]]{{Knoppen}} </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[File:Vibrating Rod Level Sensors.jpg|thumb|right|Vibrating Rod Level Sensors]]</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''Vibrating Rod Level Sensors''' is a piezoelectric driven vibration type level switch that detects high, mid and low level in [[Bins]], [[Silos]], and [[Hoppers]] filled with powders or dry bulk solid materials.</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">Level sensors detect the level </del>of <del style="font-weight: bold; text-decoration: none;">substances that flow, including liquids, slurries, granular materials, and powders. Fluids and fluidized solids flow to become essentially </del>level <del style="font-weight: bold; text-decoration: none;">in their containers (or other physical boundaries) because of gravity whereas most bulk solids pile at an angle of repose to </del>a <del style="font-weight: bold; text-decoration: none;">peak</del>. The <del style="font-weight: bold; text-decoration: none;">substance to be measured can be inside a container or can be in its natural form (e.g</del>., a <del style="font-weight: bold; text-decoration: none;">river or a lake)</del>. <del style="font-weight: bold; text-decoration: none;">The level measurement can be either continuous or point values. Continuous level sensors measure level within a specified range and determine </del>the <del style="font-weight: bold; text-decoration: none;">exact amount of substance in a certain place</del>, <del style="font-weight: bold; text-decoration: none;">while point-level sensors only indicate whether </del>the <del style="font-weight: bold; text-decoration: none;">substance is above or below </del>the <del style="font-weight: bold; text-decoration: none;">sensing point</del>. <del style="font-weight: bold; text-decoration: none;">Generally the latter detect levels </del>that <del style="font-weight: bold; text-decoration: none;">are excessively high or </del>low.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">There are many physical and application variables that affect </del>the <del style="font-weight: bold; text-decoration: none;">selection </del>of the <del style="font-weight: bold; text-decoration: none;">optimal level monitoring method for industrial </del>and <del style="font-weight: bold; text-decoration: none;">commercial processes</del>. <del style="font-weight: bold; text-decoration: none;">The selection criteria include the physical: phase (liquid, solid or slurry), temperature, pressure or vacuum, chemistry, dielectric constant of medium, density (specific gravity) of medium, agitation (</del>action<del style="font-weight: bold; text-decoration: none;">), acoustical or electricalnoise</del>, vibration, <del style="font-weight: bold; text-decoration: none;">mechanical shock, tank or bin </del>size <del style="font-weight: bold; text-decoration: none;">and shape</del>. <del style="font-weight: bold; text-decoration: none;">Also important </del>are the <del style="font-weight: bold; text-decoration: none;">application constraints: price</del>, <del style="font-weight: bold; text-decoration: none;">accuracy</del>, <del style="font-weight: bold; text-decoration: none;">appearance</del>, <del style="font-weight: bold; text-decoration: none;">response rate, ease of calibration or programming, physical size and mounting of </del>the <del style="font-weight: bold; text-decoration: none;">instrument, monitoring or control of continuous </del>or <del style="font-weight: bold; text-decoration: none;">discrete (point) levels</del>.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==Principle </ins>of <ins style="font-weight: bold; text-decoration: none;">operation==</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">The vibrating rod </ins>level <ins style="font-weight: bold; text-decoration: none;">sensors are piezoelectric devices with </ins>a <ins style="font-weight: bold; text-decoration: none;">single rod shaped vibrating element</ins>. The <ins style="font-weight: bold; text-decoration: none;">rod of the sensor vibrates if there is no material covering the active rod</ins>. <ins style="font-weight: bold; text-decoration: none;">When the rod is covered with material</ins>, <ins style="font-weight: bold; text-decoration: none;"> the vibration is dampened and an electronic circuit forces </ins>a <ins style="font-weight: bold; text-decoration: none;">relay to switch</ins>. <ins style="font-weight: bold; text-decoration: none;">When </ins>the <ins style="font-weight: bold; text-decoration: none;">rod gets uncovered</ins>, the <ins style="font-weight: bold; text-decoration: none;">vibration will restart and </ins>the <ins style="font-weight: bold; text-decoration: none;"> relay will switch back</ins>. <ins style="font-weight: bold; text-decoration: none;">The rod is fixed at two points in a way </ins>that <ins style="font-weight: bold; text-decoration: none;">it forms a perfect swinging- system with very </ins>low <ins style="font-weight: bold; text-decoration: none;">mechanical losses </ins>. <ins style="font-weight: bold; text-decoration: none;">If you hit </ins>the <ins style="font-weight: bold; text-decoration: none;">end </ins>of <ins style="font-weight: bold; text-decoration: none;"> </ins>the <ins style="font-weight: bold; text-decoration: none;">rod, it will vibrate on its resonance frequency </ins>and <ins style="font-weight: bold; text-decoration: none;">ring like a tuning fork</ins>. <ins style="font-weight: bold; text-decoration: none;">In </ins>action, <ins style="font-weight: bold; text-decoration: none;">the </ins>vibration <ins style="font-weight: bold; text-decoration: none;">is driven by a piezo system</ins>, <ins style="font-weight: bold; text-decoration: none;">which gets electrical pulses from the electronics. These electric pulses enlarge the </ins>size <ins style="font-weight: bold; text-decoration: none;">of the piezos which leads to a bowing of the rod</ins>. <ins style="font-weight: bold; text-decoration: none;">Since the pulses </ins>are <ins style="font-weight: bold; text-decoration: none;">exactly on </ins>the <ins style="font-weight: bold; text-decoration: none;">frequency where the rod is in resonance</ins>, <ins style="font-weight: bold; text-decoration: none;">the whole rod starts swinging. A second piezo system works as a swinging detector. If the piezo gets distorted</ins>, <ins style="font-weight: bold; text-decoration: none;">it gives a voltage signal to the electronics. This way</ins>, the <ins style="font-weight: bold; text-decoration: none;">electronics can check if the rod is vibrating </ins>or <ins style="font-weight: bold; text-decoration: none;">not</ins>.</div></td></tr> </table>

Kodiyath https://www.solidswiki.com/index.php?title=Vibrating_Rod_Level_Sensors&diff=15096&oldid=prev Kodiyath at 15:30, 10 February 2013 2013-02-10T15:30:11Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 09:30, 10 February 2013</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Detectors, Sensors]]{{Knoppen}} </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Detectors, Sensors]]{{Knoppen}} </div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"><noinclude></noinclude></del></div></td><td colspan="2" class="diff-side-added"></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">This page is still empty</del>. <del style="font-weight: bold; text-decoration: none;">If you know something about this product</del>, <del style="font-weight: bold; text-decoration: none;">please share your knowledge with others</del>.</div></td><td colspan="2" class="diff-side-added"></td></tr> </table>

Kodiyath https://www.solidswiki.com/index.php?title=Vibrating_Rod_Level_Sensors&diff=9858&oldid=prev Admin at 08:17, 13 August 2012 2012-08-13T08:17:13Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 02:17, 13 August 2012</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Sensors]]{{Knoppen}} </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[Category:<ins style="font-weight: bold; text-decoration: none;">Detectors, </ins>Sensors]]{{Knoppen}} </div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><noinclude><!------------------------------------------------ </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><noinclude><!------------------------------------------------ </div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* READ THIS FIRST</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* READ THIS FIRST</div></td></tr> </table>

Admin https://www.solidswiki.com/index.php?title=Vibrating_Rod_Level_Sensors&diff=6612&oldid=prev Admin: Created page with "Category:Sensors{{Knoppen}} <noinclude><!------------------------------------------------ * READ THIS FIRST * Only edit this page if you can improve the content. * Improper..." 2012-03-22T08:04:10Z

<p>Created page with "<a href="/index.php?title=Category:Sensors&action=edit&redlink=1" class="new" title="Category:Sensors (page does not exist)">Category:Sensors</a>{{Knoppen}} <noinclude></noinclude><br /> This page is still empty. If you know something about this product, please share your knowledge with others.</div>

Admin